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ACROSS
4. A polymeric form of galactose found in
hemicellulose. (8)
5. Gas used for filling incandescent metal filament
electric bulbs. (5)
7. Notation for a stereochemical arrangement where all
of the higher priority substituents are located on the
same side of the double bond. (8)
8. A mixture of concentrated oxide ore and aluminium
powder. (8)
10. A process in which RBC will shrink in hypertonic
solution. (9)
15. Movement of gas molecules through a small
opening. (8)
18. Reciprocal of the coefficient of viscosity. (8)
24. Important anti-cancer drug originally isolated from
Pacific yew trees. (5)
25. A cyclic diester formed from α-hydroxyacids. (7)
26. The correctness of a measurement. (8)
28. Metal which gives a blue colour (in cold conditions) in
oxidising flame in borax bead test. (6)
29. Particles evolved in artificial radioactive element when
n/p ratio is lower than the required value for nuclear
stability. (9)
30. The scientist who suggested an approach to
electronegativity based on ionisation energy and
electron affinity of an atom. (8)
DOWN
1. The yellow pigment present in egg yolk. (11)
2. The separation of colloidal sol into two liquid
phases. (12)
3. Alternative name for acetaldehyde. (7)
6. Energy of a single wavelength of light. (13)
9. Orderly arrangement of micelles. (9)
11. A salt which is prepared from sodium dithionite and
formaldehyde, is used as a reducing agent for vat
dyeing. (9)
Cut Here
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12. Element which is known as duckbill platypus. (8)
13. Industrial name of sodium peroxide. (5)
14. A graph of entropy of a substance against
temperature. (10)
16. The number of milligrams of KOH required to
neutralise the free acid present in one gram of the oil
or fat. (9)
17. Another name for solid carbon dioxide. (7)
19. Chlorofluorocarbon compound of methane and
ethane. (5)
20. Most impure form of iron. (8)
21. The form of carbon obtained by burning wood,
cellulose or any other carbonous matter in a limited
supply of air. (8)
22. Naturally occurring sodium carbonate,
Na 2 CO 3 ⋅NaHCO 3 ⋅2H 2 O formed by evaporation of
soda lakes. (5)
23. Unit of frequency. (5)
27. The diamide of carbonic acid. (4)
24
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CHEMISTRY TODAY | APRIL ‘17 89